Sofia was sitting by the fire. Now the flames threatened her. They weren't warm and pleasant, and she knew why. In the dark, lying on a blanket, was Rosa, her older sister, who was sick. Of all the siblings, Rosa was the one she loved the most. Rosa was seventeen years old, three years older than Sofia. With her she could talk about everything and they laughed often. Rosa could tell things that hadn't happened to Sofia yet. Especially when they had to do with what they called love. And Sofia listened and kept in her memory everything Rosa said to her. Sofia looked at the flames and tried to understand what was happening to Rosa. Everyone would get sick from time to time. But this time it looked like the flames were trying to tell him something. And Sofia was afraid;